@InProceedings{figueira_et_al:LIPIcs.MFCS.2019.29, author = {Figueira, Diego and Ramanathan, Varun and Weil, Pascal}, title = {{The Quantifier Alternation Hierarchy of Synchronous Relations}}, booktitle = {44th International Symposium on Mathematical Foundations of Computer Science (MFCS 2019)}, pages = {29:1--29:14}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-117-7}, ISSN = {1868-8969}, year = {2019}, volume = {138}, editor = {Rossmanith, Peter and Heggernes, Pinar and Katoen, Joost-Pieter}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.MFCS.2019.29}, URN = {urn:nbn:de:0030-drops-109735}, doi = {10.4230/LIPIcs.MFCS.2019.29}, annote = {Keywords: synchronous relations, automatic relations, first-order logic, characterization, quantifier alternation} }